Company lists · Data refreshed November 2026

Top 25 Renewable energy optimization consultants based in Italy

RevenueBase identified 1,076 company matches for renewable energy optimization consultants associated with Italy as of November 2026 and tracks 7,817 professional contacts across them, including 2,457 with verified work emails. Milan is the largest hub.

This list covers company matches for renewable energy optimization consultants associated with Italy, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,076Companies
7,817Contacts tracked
2,457Verified emails
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The 25 largest renewable energy optimization consultants based in Italy

Ranked by team size
Top 25 of 1,076 company matches for renewable energy optimization consultants based in Italy, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMilan, ItalyHQ recorded Nov 6, 202651-200244 contacts →

Exact match

“Power Reply is the Reply group company focused on the Energy & Utilities market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchTurin, ItalyHQ recorded Nov 6, 202651-200181 contacts →

Exact match

“3BA è un gruppo che opera nell'ingegneria e nella consulenza, specializzato in infrastrutture, oil and gas, impianti di produzione di energia, anche da fonti rinnovabili, impianti…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchCastellaneta, ItalyHQ recorded Nov 6, 202651-200117 contacts →

Exact match

“Non siamo tecnici, ma progettisti consapevoli di essere parte del cambiamento.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMilan, ItalyHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“Engineering Consulting Services ELC Electroconsult S.p.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchRome, ItalyHQ recorded Nov 6, 202651-20093 contacts →

Exact match

“Key to Energy is a consulting company made up of a team of professionals with solid experience in main European markets in the retail and wholesale energy sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCascina, ItalyHQ recorded Nov 6, 2026201-50064 contacts →

Exact match

“Unoenergy Green Solutions è una società del Gruppo Unoenergy che opera su tutto il territorio nazionale attraverso la vendita e l’installazione di sistemi per l’efficientamento…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchRome, ItalyHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“We produce sustainable energy by covering the entire supply chain from site scouting to the construction and operational management of our power plants.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchCostermano Sul Garda, ItalyHQ recorded Nov 6, 202611-5060 contacts →

Exact match

“Energy Italy SpA, azienda parte del gruppo Energy Holding, dal 2012 è tra le realtà più innovative nel settore delle energie rinnovabili e del risparmio energetico.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchRome, ItalyHQ recorded Nov 6, 202611-5059 contacts →

Exact match

“EOS Consulting è una Advisory Firm, nel settore Energy, Real Estate & Infrastructures, operativa da 20 anni e nata con un’idea guida: la conoscenza come strumento per migliorare.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMilan, ItalyHQ recorded Nov 6, 2026n/a59 contacts →

Exact match

“La GIN GROUP è una società giovane e dinamica, creata da tre professionisti che hanno maturato la loro esperienza nel campo dell’energia alternativa attraverso l’importazione e la…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMontebelluna, ItalyHQ recorded Nov 6, 202611-5058 contacts →

Exact match

“RR GROUP è un’azienda che da 10 anni offre consulenza alle aziende e ai privati sulla fornitura di energia elettrica e gas naturale.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSan Martino Sannita, ItalyHQ recorded Nov 6, 202611-5049 contacts →

Exact match

“L’ambito principale di attività riguarda la progettazione, la realizzazione e la gestione di infrastrutture elettriche e di impianti di produzione di energia da fonti rinnovabili…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchFara Vicentino, ItalyHQ recorded Nov 6, 202611-5048 contacts →

Exact match

“Tonello Energie nasce dalla tradizione industriale della Capogruppo Tonello Srl, azienda leader dal 1981 a livello mondiale nella produzione di macchinari del tessile.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchTrento, ItalyHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“Da oltre un decennio, ci impegniamo nel settore delle energie rinnovabili con una visione chiara incentrata sulla sostenibilità, l'efficienza energetica e la fornitura di servizi…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMilan, ItalyHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“OGNI GIORNO AIUTIAMO LE AZIENDE A DIVENTARE PIÙ EFFICIENTI, A RIDURRE I CONSUMI, A GENERARE AUTONOMAMENTE L’ENERGIA PULITA IN GRADO DI SODDISFARE IL PROPRIO FABBISOGNO.” Il nostro…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMontebelluna, ItalyHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“VP Solar is a B2B distributor of systems and solutions for photovoltaics, energy storage, e-mobility, HVAC and energy efficiency.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMilan, ItalyHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“INDEPENDENT ADVISORY FIRM SPECIALIZED IN M&A AND PROJECT FINANCE IN THE RENEWABLE ENERGY INDUSTRY We provide to our clients advisory services in M&A and Project Finance…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchGenoa, ItalyHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“Fichtner Italia è una società indipendente, appartenente al Gruppo Fichtner, attiva sin dalla data di fondazione nel fornire servizi di consulenza di ingegneria a gruppi…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMilan, ItalyHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“Green Horse, acronym for GREEN HORizon for a Sustainable Economy, is an advisory project dedicated exclusively to the energy transition industry with particular attention to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchOderzo, ItalyHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“EsPiù S.r.l.| Società Benefit è una Società di Ingegneria, operante nell'ambito della progettazione e consulenza energetica in particolar modo ad industrie, settore terziario…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLissone, ItalyHQ recorded Nov 6, 202651-20037 contacts →

Exact match

“Diffondere la cultura dell’autonomia energetica in Italia e nel mondo, rendendo le tecnologie sempre più accessibili a tutti, per case e aziende sempre più ecosostenibili è la…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchGricignano Di Aversa, ItalyHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“Gaia Energy Systems opera da anni nei settori delle energie rinnovabili e dell’efficientamento energetico, sia al fianco di aziende che di privati.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCasoli, ItalyHQ recorded Nov 6, 202651-20033 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchCesena, ItalyHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Attività di consulenza tecnica, di progettazione, direzione lavori, predisposizione e gestione di piani di uso e manutenzione, svolte in forma integrata relativamente ai vari…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSan Giovanni In Persiceto, ItalyHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“ENERGY INTELLIGENCE ®, società di servizi e consulenza energetica.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,076 renewable energy optimization consultants based in Italy

See the full list, filter by size, metro and specialty, and access 2,457 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Renewable energy optimization consultants based in Italy at a glance

As of Nov 6, 2026
31.4%Verified-email coverage
7.3Average contacts per company
1-10Median size (employees)
8.4%Largest-city concentration · Milan
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
679
11-50
330
51-200
45
201-500
7
501-1,000
4
10001+
1

Email recency for this list is measured worldwide rather than for Italy, so it is reported there. Company counts and contact totals on this page are exact for Italy, over 1,076 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Italy whose business descriptions match “renewable energy optimization consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 2,457 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “renewable energy optimization consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy optimization consultants are there based in Italy?

RevenueBase identified 1,076 company matches for renewable energy optimization consultants associated with Italy as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Power Reply tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most renewable energy optimization consultants?

Milan leads with 90 company records, followed by Rome (75) and Turin (27).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 2,457 professional contacts with verified work emails tracked across these 1,076 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.